摘要
本文利用相平面分析方法结合Poincare-Birkhoff扭转不动点定理得到了次线性碰撞振子的无穷多次调和弹性解的存在性.
In this paper,we use the phase-plane analysis combined with Poincare-Birkhoff fixed point theorem to obtain the existence and multiplicity of subharmonic bouncing solutions for sub-linear impact oscillators.
出处
《南京大学学报(数学半年刊)》
CAS
2010年第1期17-30,共14页
Journal of Nanjing University(Mathematical Biquarterly)
基金
Supported by the National Natural Science Foundation of China(10871142)
the Post Doctor Foundation of Suzhou University(32107601).
关键词
碰撞振子
次线性
弹性周期解
相平面分析
impact oscillators
sub-linear
bouncing periodic solutions
phase-plane analysis